Table 3.

Patient characteristics with type A and B hyperlactatemia

	Type A	Type B
	N=165 (83.8)	N=32 (16.2)	p Value
Age in years	67±15	57±18	0.001
Sex, female (n)	74 (45.0)	12 (35.0)	0.45
CCI score	2 (1–4)	2.5 (1–5.0)	0.34
Lactate (mmol/L)	7.8±4.0	6.3±2.7	0.06
SBP	108±32	135±22	<0.001
MAP	77±23	97±14	<0.001
Heart rate	106±27	98±21	0.14
Temperature	36.7 (35.5–38.2)	36.6 (36.2–37.4)	0.68
Oxygen saturation	97 (92–100)	98 (97–100)	0.09
Respiratory rate	24 (20–30)	24 (15–24)	0.003
Serum creatinine	213±162	160±125	0.09
Main diagnosis (%)
Shock/haemodynamic ally unstable	102 (61.4)	0
Sepsis	32 (19.3)	0
Gastrointestinal	11 (6.6)	0
Respiratory insufficiency	6 (3.6)	0
Intoxication	0	3 (9.4)
Diabetes mellitus related	0	14 (43.8)
Liver disease	0	6 (18.8)
Other	15 (9.0)	3 (9.4)
Unknown	0	6 (18.8)
Outcomes
Length of stay (days)	17 (±19)	8 (±7)
ICU/MCU admission	74 (63.2)	5 (19.2)
ICU restrictions	47 (28.7)	6 (18.8)
Length of stay in the ICU/MCU (days)	4 (2–9)	2 (1.5–4.5)
Readmission <28 days	15 (17.9)	3 (11.1)
28-day mortality	76 (45.8)	4 (12.5)
1-year mortality	101 (60.8)	8 (25.0)

Data are presented as mean±SD, n (%) or as median (IQR).

CCI, Charlson Comorbidity Index; ICU, intensive care unit; MAP, mean arterial pressure; MCU, medium care unit; SBD, systolic blood pressure.